iwlwifi: mvm: make bt-coex.c generic
Make bt-coex generic to allow other coex mechanisms.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c
new file mode 100644
index 0000000..0b2e351
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/mvm/coex.c
@@ -0,0 +1,1280 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
+ * USA
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ * Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+
+#include <net/mac80211.h>
+
+#include "fw-api-coex.h"
+#include "iwl-modparams.h"
+#include "mvm.h"
+#include "iwl-debug.h"
+
+#define EVENT_PRIO_ANT(_evt, _prio, _shrd_ant) \
+ [(_evt)] = (((_prio) << BT_COEX_PRIO_TBL_PRIO_POS) | \
+ ((_shrd_ant) << BT_COEX_PRIO_TBL_SHRD_ANT_POS))
+
+static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
+ EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB1,
+ BT_COEX_PRIO_TBL_PRIO_BYPASS, 0),
+ EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB2,
+ BT_COEX_PRIO_TBL_PRIO_BYPASS, 1),
+ EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1,
+ BT_COEX_PRIO_TBL_PRIO_LOW, 0),
+ EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2,
+ BT_COEX_PRIO_TBL_PRIO_LOW, 1),
+ EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1,
+ BT_COEX_PRIO_TBL_PRIO_HIGH, 0),
+ EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2,
+ BT_COEX_PRIO_TBL_PRIO_HIGH, 1),
+ EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_DTIM,
+ BT_COEX_PRIO_TBL_DISABLED, 0),
+ EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN52,
+ BT_COEX_PRIO_TBL_PRIO_COEX_OFF, 0),
+ EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN24,
+ BT_COEX_PRIO_TBL_PRIO_COEX_ON, 0),
+ EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_IDLE,
+ BT_COEX_PRIO_TBL_PRIO_COEX_IDLE, 0),
+ 0, 0, 0, 0, 0, 0,
+};
+
+#undef EVENT_PRIO_ANT
+
+#define BT_ENABLE_REDUCED_TXPOWER_THRESHOLD (-62)
+#define BT_DISABLE_REDUCED_TXPOWER_THRESHOLD (-65)
+#define BT_ANTENNA_COUPLING_THRESHOLD (30)
+
+int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm)
+{
+ if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWBT_COEX))
+ return 0;
+
+ return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, CMD_SYNC,
+ sizeof(struct iwl_bt_coex_prio_tbl_cmd),
+ &iwl_bt_prio_tbl);
+}
+
+const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX] = {
+ [BT_KILL_MSK_DEFAULT] = 0xffff0000,
+ [BT_KILL_MSK_SCO_HID_A2DP] = 0xffffffff,
+ [BT_KILL_MSK_REDUCED_TXPOW] = 0,
+};
+
+const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX] = {
+ [BT_KILL_MSK_DEFAULT] = 0xffff0000,
+ [BT_KILL_MSK_SCO_HID_A2DP] = 0xffffffff,
+ [BT_KILL_MSK_REDUCED_TXPOW] = 0,
+};
+
+static const __le32 iwl_bt_prio_boost[BT_COEX_BOOST_SIZE] = {
+ cpu_to_le32(0xf0f0f0f0),
+ cpu_to_le32(0xc0c0c0c0),
+ cpu_to_le32(0xfcfcfcfc),
+ cpu_to_le32(0xff00ff00),
+};
+
+static const __le32 iwl_single_shared_ant[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
+ {
+ cpu_to_le32(0x40000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x44000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x40000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x44000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0xc0004000),
+ cpu_to_le32(0xf0005000),
+ cpu_to_le32(0xc0004000),
+ cpu_to_le32(0xf0005000),
+ },
+ {
+ cpu_to_le32(0x40000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x44000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x40000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x44000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0xc0004000),
+ cpu_to_le32(0xf0005000),
+ cpu_to_le32(0xc0004000),
+ cpu_to_le32(0xf0005000),
+ },
+ {
+ cpu_to_le32(0x40000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x44000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x40000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x44000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0xc0004000),
+ cpu_to_le32(0xf0005000),
+ cpu_to_le32(0xc0004000),
+ cpu_to_le32(0xf0005000),
+ },
+};
+
+static const __le32 iwl_combined_lookup[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = {
+ {
+ /* Tight */
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaeaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xcc00ff28),
+ cpu_to_le32(0x0000aaaa),
+ cpu_to_le32(0xcc00aaaa),
+ cpu_to_le32(0x0000aaaa),
+ cpu_to_le32(0xc0004000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0xf0005000),
+ cpu_to_le32(0xf0005000),
+ },
+ {
+ /* Loose */
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xcc00ff28),
+ cpu_to_le32(0x0000aaaa),
+ cpu_to_le32(0xcc00aaaa),
+ cpu_to_le32(0x0000aaaa),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000),
+ cpu_to_le32(0xf0005000),
+ cpu_to_le32(0xf0005000),
+ },
+ {
+ /* Tx Tx disabled */
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xaaaaaaaa),
+ cpu_to_le32(0xcc00ff28),
+ cpu_to_le32(0x0000aaaa),
+ cpu_to_le32(0xcc00aaaa),
+ cpu_to_le32(0x0000aaaa),
+ cpu_to_le32(0xC0004000),
+ cpu_to_le32(0xC0004000),
+ cpu_to_le32(0xF0005000),
+ cpu_to_le32(0xF0005000),
+ },
+};
+
+/* 20MHz / 40MHz below / 40Mhz above*/
+static const __le64 iwl_ci_mask[][3] = {
+ /* dummy entry for channel 0 */
+ {cpu_to_le64(0), cpu_to_le64(0), cpu_to_le64(0)},
+ {
+ cpu_to_le64(0x0000001FFFULL),
+ cpu_to_le64(0x0ULL),
+ cpu_to_le64(0x00007FFFFFULL),
+ },
+ {
+ cpu_to_le64(0x000000FFFFULL),
+ cpu_to_le64(0x0ULL),
+ cpu_to_le64(0x0003FFFFFFULL),
+ },
+ {
+ cpu_to_le64(0x000003FFFCULL),
+ cpu_to_le64(0x0ULL),
+ cpu_to_le64(0x000FFFFFFCULL),
+ },
+ {
+ cpu_to_le64(0x00001FFFE0ULL),
+ cpu_to_le64(0x0ULL),
+ cpu_to_le64(0x007FFFFFE0ULL),
+ },
+ {
+ cpu_to_le64(0x00007FFF80ULL),
+ cpu_to_le64(0x00007FFFFFULL),
+ cpu_to_le64(0x01FFFFFF80ULL),
+ },
+ {
+ cpu_to_le64(0x0003FFFC00ULL),
+ cpu_to_le64(0x0003FFFFFFULL),
+ cpu_to_le64(0x0FFFFFFC00ULL),
+ },
+ {
+ cpu_to_le64(0x000FFFF000ULL),
+ cpu_to_le64(0x000FFFFFFCULL),
+ cpu_to_le64(0x3FFFFFF000ULL),
+ },
+ {
+ cpu_to_le64(0x007FFF8000ULL),
+ cpu_to_le64(0x007FFFFFE0ULL),
+ cpu_to_le64(0xFFFFFF8000ULL),
+ },
+ {
+ cpu_to_le64(0x01FFFE0000ULL),
+ cpu_to_le64(0x01FFFFFF80ULL),
+ cpu_to_le64(0xFFFFFE0000ULL),
+ },
+ {
+ cpu_to_le64(0x0FFFF00000ULL),
+ cpu_to_le64(0x0FFFFFFC00ULL),
+ cpu_to_le64(0x0ULL),
+ },
+ {
+ cpu_to_le64(0x3FFFC00000ULL),
+ cpu_to_le64(0x3FFFFFF000ULL),
+ cpu_to_le64(0x0)
+ },
+ {
+ cpu_to_le64(0xFFFE000000ULL),
+ cpu_to_le64(0xFFFFFF8000ULL),
+ cpu_to_le64(0x0)
+ },
+ {
+ cpu_to_le64(0xFFF8000000ULL),
+ cpu_to_le64(0xFFFFFE0000ULL),
+ cpu_to_le64(0x0)
+ },
+ {
+ cpu_to_le64(0xFFC0000000ULL),
+ cpu_to_le64(0x0ULL),
+ cpu_to_le64(0x0ULL)
+ },
+};
+
+static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = {
+ cpu_to_le32(0x22002200),
+ cpu_to_le32(0x33113311),
+};
+
+struct corunning_block_luts {
+ u8 range;
+ __le32 lut20[BT_COEX_CORUN_LUT_SIZE];
+};
+
+/*
+ * Ranges for the antenna coupling calibration / co-running block LUT:
+ * LUT0: [ 0, 12[
+ * LUT1: [12, 20[
+ * LUT2: [20, 21[
+ * LUT3: [21, 23[
+ * LUT4: [23, 27[
+ * LUT5: [27, 30[
+ * LUT6: [30, 32[
+ * LUT7: [32, 33[
+ * LUT8: [33, - [
+ */
+static const struct corunning_block_luts antenna_coupling_ranges[] = {
+ {
+ .range = 0,
+ .lut20 = {
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ },
+ },
+ {
+ .range = 12,
+ .lut20 = {
+ cpu_to_le32(0x00000001), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ },
+ },
+ {
+ .range = 20,
+ .lut20 = {
+ cpu_to_le32(0x00000002), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ },
+ },
+ {
+ .range = 21,
+ .lut20 = {
+ cpu_to_le32(0x00000003), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ },
+ },
+ {
+ .range = 23,
+ .lut20 = {
+ cpu_to_le32(0x00000004), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ },
+ },
+ {
+ .range = 27,
+ .lut20 = {
+ cpu_to_le32(0x00000005), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ },
+ },
+ {
+ .range = 30,
+ .lut20 = {
+ cpu_to_le32(0x00000006), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ },
+ },
+ {
+ .range = 32,
+ .lut20 = {
+ cpu_to_le32(0x00000007), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ },
+ },
+ {
+ .range = 33,
+ .lut20 = {
+ cpu_to_le32(0x00000008), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ cpu_to_le32(0x00000000), cpu_to_le32(0x00000000),
+ },
+ },
+};
+
+static enum iwl_bt_coex_lut_type
+iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif)
+{
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ enum iwl_bt_coex_lut_type ret;
+ u16 phy_ctx_id;
+
+ /*
+ * Checking that we hold mvm->mutex is a good idea, but the rate
+ * control can't acquire the mutex since it runs in Tx path.
+ * So this is racy in that case, but in the worst case, the AMPDU
+ * size limit will be wrong for a short time which is not a big
+ * issue.
+ */
+
+ rcu_read_lock();
+
+ chanctx_conf = rcu_dereference(vif->chanctx_conf);
+
+ if (!chanctx_conf ||
+ chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
+ rcu_read_unlock();
+ return BT_COEX_LOOSE_LUT;
+ }
+
+ ret = BT_COEX_TX_DIS_LUT;
+
+ if (mvm->cfg->bt_shared_single_ant) {
+ rcu_read_unlock();
+ return ret;
+ }
+
+ phy_ctx_id = *((u16 *)chanctx_conf->drv_priv);
+
+ if (mvm->last_bt_ci_cmd.primary_ch_phy_id == phy_ctx_id)
+ ret = le32_to_cpu(mvm->last_bt_notif.primary_ch_lut);
+ else if (mvm->last_bt_ci_cmd.secondary_ch_phy_id == phy_ctx_id)
+ ret = le32_to_cpu(mvm->last_bt_notif.secondary_ch_lut);
+ /* else - default = TX TX disallowed */
+
+ rcu_read_unlock();
+
+ return ret;
+}
+
+int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
+{
+ struct iwl_bt_coex_cmd *bt_cmd;
+ struct iwl_host_cmd cmd = {
+ .id = BT_CONFIG,
+ .len = { sizeof(*bt_cmd), },
+ .dataflags = { IWL_HCMD_DFL_NOCOPY, },
+ .flags = CMD_SYNC,
+ };
+ int ret;
+ u32 flags;
+
+ if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWBT_COEX))
+ return 0;
+
+ bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
+ if (!bt_cmd)
+ return -ENOMEM;
+ cmd.data[0] = bt_cmd;
+
+ bt_cmd->max_kill = 5;
+ bt_cmd->bt4_antenna_isolation_thr = BT_ANTENNA_COUPLING_THRESHOLD,
+ bt_cmd->bt4_antenna_isolation = iwlwifi_mod_params.ant_coupling,
+ bt_cmd->bt4_tx_tx_delta_freq_thr = 15,
+ bt_cmd->bt4_tx_rx_max_freq0 = 15,
+
+ flags = iwlwifi_mod_params.bt_coex_active ?
+ BT_COEX_NW : BT_COEX_DISABLE;
+ bt_cmd->flags = cpu_to_le32(flags);
+
+ bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE |
+ BT_VALID_BT_PRIO_BOOST |
+ BT_VALID_MAX_KILL |
+ BT_VALID_3W_TMRS |
+ BT_VALID_KILL_ACK |
+ BT_VALID_KILL_CTS |
+ BT_VALID_REDUCED_TX_POWER |
+ BT_VALID_LUT |
+ BT_VALID_WIFI_RX_SW_PRIO_BOOST |
+ BT_VALID_WIFI_TX_SW_PRIO_BOOST |
+ BT_VALID_ANT_ISOLATION |
+ BT_VALID_ANT_ISOLATION_THRS |
+ BT_VALID_TXTX_DELTA_FREQ_THRS |
+ BT_VALID_TXRX_MAX_FREQ_0 |
+ BT_VALID_SYNC_TO_SCO);
+
+ if (IWL_MVM_BT_COEX_SYNC2SCO)
+ bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO);
+
+ if (IWL_MVM_BT_COEX_CORUNNING) {
+ bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_CORUN_LUT_20 |
+ BT_VALID_CORUN_LUT_40);
+ bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
+ }
+
+ if (mvm->cfg->bt_shared_single_ant)
+ memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant,
+ sizeof(iwl_single_shared_ant));
+ else
+ memcpy(&bt_cmd->decision_lut, iwl_combined_lookup,
+ sizeof(iwl_combined_lookup));
+
+ /* Take first Co-running block LUT to get started */
+ memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[0].lut20,
+ sizeof(bt_cmd->bt4_corun_lut20));
+ memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[0].lut20,
+ sizeof(bt_cmd->bt4_corun_lut40));
+
+ memcpy(&bt_cmd->bt_prio_boost, iwl_bt_prio_boost,
+ sizeof(iwl_bt_prio_boost));
+ memcpy(&bt_cmd->bt4_multiprio_lut, iwl_bt_mprio_lut,
+ sizeof(iwl_bt_mprio_lut));
+ bt_cmd->kill_ack_msk =
+ cpu_to_le32(iwl_bt_ack_kill_msk[BT_KILL_MSK_DEFAULT]);
+ bt_cmd->kill_cts_msk =
+ cpu_to_le32(iwl_bt_cts_kill_msk[BT_KILL_MSK_DEFAULT]);
+
+ memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
+ memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
+
+ ret = iwl_mvm_send_cmd(mvm, &cmd);
+
+ kfree(bt_cmd);
+ return ret;
+}
+
+static int iwl_mvm_bt_udpate_ctrl_kill_msk(struct iwl_mvm *mvm,
+ bool reduced_tx_power)
+{
+ enum iwl_bt_kill_msk bt_kill_msk;
+ struct iwl_bt_coex_cmd *bt_cmd;
+ struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
+ struct iwl_host_cmd cmd = {
+ .id = BT_CONFIG,
+ .data[0] = &bt_cmd,
+ .len = { sizeof(*bt_cmd), },
+ .dataflags = { IWL_HCMD_DFL_NOCOPY, },
+ .flags = CMD_SYNC,
+ };
+ int ret = 0;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (reduced_tx_power) {
+ /* Reduced Tx power has precedence on the type of the profile */
+ bt_kill_msk = BT_KILL_MSK_REDUCED_TXPOW;
+ } else {
+ /* Low latency BT profile is active: give higher prio to BT */
+ if (BT_MBOX_MSG(notif, 3, SCO_STATE) ||
+ BT_MBOX_MSG(notif, 3, A2DP_STATE) ||
+ BT_MBOX_MSG(notif, 3, SNIFF_STATE))
+ bt_kill_msk = BT_KILL_MSK_SCO_HID_A2DP;
+ else
+ bt_kill_msk = BT_KILL_MSK_DEFAULT;
+ }
+
+ IWL_DEBUG_COEX(mvm,
+ "Update kill_msk: %d - SCO %sactive A2DP %sactive SNIFF %sactive\n",
+ bt_kill_msk,
+ BT_MBOX_MSG(notif, 3, SCO_STATE) ? "" : "in",
+ BT_MBOX_MSG(notif, 3, A2DP_STATE) ? "" : "in",
+ BT_MBOX_MSG(notif, 3, SNIFF_STATE) ? "" : "in");
+
+ /* Don't send HCMD if there is no update */
+ if (bt_kill_msk == mvm->bt_kill_msk)
+ return 0;
+
+ mvm->bt_kill_msk = bt_kill_msk;
+
+ bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
+ if (!bt_cmd)
+ return -ENOMEM;
+ cmd.data[0] = bt_cmd;
+ bt_cmd->flags = cpu_to_le32(BT_COEX_NW);
+
+ bt_cmd->kill_ack_msk = cpu_to_le32(iwl_bt_ack_kill_msk[bt_kill_msk]);
+ bt_cmd->kill_cts_msk = cpu_to_le32(iwl_bt_cts_kill_msk[bt_kill_msk]);
+ bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
+ BT_VALID_KILL_ACK |
+ BT_VALID_KILL_CTS);
+
+ IWL_DEBUG_COEX(mvm, "ACK Kill msk = 0x%08x, CTS Kill msk = 0x%08x\n",
+ iwl_bt_ack_kill_msk[bt_kill_msk],
+ iwl_bt_cts_kill_msk[bt_kill_msk]);
+
+ ret = iwl_mvm_send_cmd(mvm, &cmd);
+
+ kfree(bt_cmd);
+ return ret;
+}
+
+int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id, bool enable)
+{
+ struct iwl_bt_coex_cmd *bt_cmd;
+ /* Send ASYNC since this can be sent from an atomic context */
+ struct iwl_host_cmd cmd = {
+ .id = BT_CONFIG,
+ .len = { sizeof(*bt_cmd), },
+ .dataflags = { IWL_HCMD_DFL_NOCOPY, },
+ .flags = CMD_ASYNC,
+ };
+ struct iwl_mvm_sta *mvmsta;
+ int ret;
+
+ mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
+ if (!mvmsta)
+ return 0;
+
+ /* nothing to do */
+ if (mvmsta->bt_reduced_txpower_dbg ||
+ mvmsta->bt_reduced_txpower == enable)
+ return 0;
+
+ bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_ATOMIC);
+ if (!bt_cmd)
+ return -ENOMEM;
+ cmd.data[0] = bt_cmd;
+ bt_cmd->flags = cpu_to_le32(BT_COEX_NW);
+
+ bt_cmd->valid_bit_msk =
+ cpu_to_le32(BT_VALID_ENABLE | BT_VALID_REDUCED_TX_POWER);
+ bt_cmd->bt_reduced_tx_power = sta_id;
+
+ if (enable)
+ bt_cmd->bt_reduced_tx_power |= BT_REDUCED_TX_POWER_BIT;
+
+ IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
+ enable ? "en" : "dis", sta_id);
+
+ mvmsta->bt_reduced_txpower = enable;
+
+ ret = iwl_mvm_send_cmd(mvm, &cmd);
+
+ kfree(bt_cmd);
+ return ret;
+}
+
+struct iwl_bt_iterator_data {
+ struct iwl_bt_coex_profile_notif *notif;
+ struct iwl_mvm *mvm;
+ u32 num_bss_ifaces;
+ bool reduced_tx_power;
+ struct ieee80211_chanctx_conf *primary;
+ struct ieee80211_chanctx_conf *secondary;
+ bool primary_ll;
+};
+
+static inline
+void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ bool enable, int rssi)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+ mvmvif->bf_data.last_bt_coex_event = rssi;
+ mvmvif->bf_data.bt_coex_max_thold =
+ enable ? BT_ENABLE_REDUCED_TXPOWER_THRESHOLD : 0;
+ mvmvif->bf_data.bt_coex_min_thold =
+ enable ? BT_DISABLE_REDUCED_TXPOWER_THRESHOLD : 0;
+}
+
+/* must be called under rcu_read_lock */
+static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_bt_iterator_data *data = _data;
+ struct iwl_mvm *mvm = data->mvm;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ enum ieee80211_smps_mode smps_mode;
+ u32 bt_activity_grading;
+ int ave_rssi;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_STATION:
+ /* default smps_mode for BSS / P2P client is AUTOMATIC */
+ smps_mode = IEEE80211_SMPS_AUTOMATIC;
+ data->num_bss_ifaces++;
+
+ /*
+ * Count unassoc BSSes, relax SMSP constraints
+ * and disable reduced Tx Power
+ */
+ if (!vif->bss_conf.assoc) {
+ iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
+ smps_mode);
+ if (iwl_mvm_bt_coex_reduced_txp(mvm,
+ mvmvif->ap_sta_id,
+ false))
+ IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
+ return;
+ }
+ break;
+ case NL80211_IFTYPE_AP:
+ /* default smps_mode for AP / GO is OFF */
+ smps_mode = IEEE80211_SMPS_OFF;
+ if (!mvmvif->ap_ibss_active) {
+ iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
+ smps_mode);
+ return;
+ }
+
+ /* the Ack / Cts kill mask must be default if AP / GO */
+ data->reduced_tx_power = false;
+ break;
+ default:
+ return;
+ }
+
+ chanctx_conf = rcu_dereference(vif->chanctx_conf);
+
+ /* If channel context is invalid or not on 2.4GHz .. */
+ if ((!chanctx_conf ||
+ chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) {
+ /* ... relax constraints and disable rssi events */
+ iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
+ smps_mode);
+ if (vif->type == NL80211_IFTYPE_STATION)
+ iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
+ return;
+ }
+
+ bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
+ if (bt_activity_grading >= BT_HIGH_TRAFFIC)
+ smps_mode = IEEE80211_SMPS_STATIC;
+ else if (bt_activity_grading >= BT_LOW_TRAFFIC)
+ smps_mode = vif->type == NL80211_IFTYPE_AP ?
+ IEEE80211_SMPS_OFF :
+ IEEE80211_SMPS_DYNAMIC;
+ IWL_DEBUG_COEX(data->mvm,
+ "mac %d: bt_status %d bt_activity_grading %d smps_req %d\n",
+ mvmvif->id, data->notif->bt_status, bt_activity_grading,
+ smps_mode);
+
+ iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, smps_mode);
+
+ /* low latency is always primary */
+ if (iwl_mvm_vif_low_latency(mvmvif)) {
+ data->primary_ll = true;
+
+ data->secondary = data->primary;
+ data->primary = chanctx_conf;
+ }
+
+ if (vif->type == NL80211_IFTYPE_AP) {
+ if (!mvmvif->ap_ibss_active)
+ return;
+
+ if (chanctx_conf == data->primary)
+ return;
+
+ if (!data->primary_ll) {
+ /*
+ * downgrade the current primary no matter what its
+ * type is.
+ */
+ data->secondary = data->primary;
+ data->primary = chanctx_conf;
+ } else {
+ /* there is low latency vif - we will be secondary */
+ data->secondary = chanctx_conf;
+ }
+ return;
+ }
+
+ /*
+ * STA / P2P Client, try to be primary if first vif. If we are in low
+ * latency mode, we are already in primary and just don't do much
+ */
+ if (!data->primary || data->primary == chanctx_conf)
+ data->primary = chanctx_conf;
+ else if (!data->secondary)
+ /* if secondary is not NULL, it might be a GO */
+ data->secondary = chanctx_conf;
+
+ /* don't reduce the Tx power if in loose scheme */
+ if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
+ mvm->cfg->bt_shared_single_ant) {
+ data->reduced_tx_power = false;
+ iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
+ return;
+ }
+
+ /* reduced Txpower only if BT is on, so ...*/
+ if (!data->notif->bt_status) {
+ /* ... cancel reduced Tx power ... */
+ if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
+ IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
+ data->reduced_tx_power = false;
+
+ /* ... and there is no need to get reports on RSSI any more. */
+ iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
+ return;
+ }
+
+ /* try to get the avg rssi from fw */
+ ave_rssi = mvmvif->bf_data.ave_beacon_signal;
+
+ /* if the RSSI isn't valid, fake it is very low */
+ if (!ave_rssi)
+ ave_rssi = -100;
+ if (ave_rssi > BT_ENABLE_REDUCED_TXPOWER_THRESHOLD) {
+ if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
+ IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
+
+ /*
+ * bt_kill_msk can be BT_KILL_MSK_REDUCED_TXPOW only if all the
+ * BSS / P2P clients have rssi above threshold.
+ * We set the bt_kill_msk to BT_KILL_MSK_REDUCED_TXPOW before
+ * the iteration, if one interface's rssi isn't good enough,
+ * bt_kill_msk will be set to default values.
+ */
+ } else if (ave_rssi < BT_DISABLE_REDUCED_TXPOWER_THRESHOLD) {
+ if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
+ IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
+
+ /*
+ * One interface hasn't rssi above threshold, bt_kill_msk must
+ * be set to default values.
+ */
+ data->reduced_tx_power = false;
+ }
+
+ /* Begin to monitor the RSSI: it may influence the reduced Tx power */
+ iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
+}
+
+static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
+{
+ struct iwl_bt_iterator_data data = {
+ .mvm = mvm,
+ .notif = &mvm->last_bt_notif,
+ .reduced_tx_power = true,
+ };
+ struct iwl_bt_coex_ci_cmd cmd = {};
+ u8 ci_bw_idx;
+
+ rcu_read_lock();
+ ieee80211_iterate_active_interfaces_atomic(
+ mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
+ iwl_mvm_bt_notif_iterator, &data);
+
+ if (data.primary) {
+ struct ieee80211_chanctx_conf *chan = data.primary;
+ if (WARN_ON(!chan->def.chan)) {
+ rcu_read_unlock();
+ return;
+ }
+
+ if (chan->def.width < NL80211_CHAN_WIDTH_40) {
+ ci_bw_idx = 0;
+ cmd.co_run_bw_primary = 0;
+ } else {
+ cmd.co_run_bw_primary = 1;
+ if (chan->def.center_freq1 >
+ chan->def.chan->center_freq)
+ ci_bw_idx = 2;
+ else
+ ci_bw_idx = 1;
+ }
+
+ cmd.bt_primary_ci =
+ iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
+ cmd.primary_ch_phy_id = *((u16 *)data.primary->drv_priv);
+ }
+
+ if (data.secondary) {
+ struct ieee80211_chanctx_conf *chan = data.secondary;
+ if (WARN_ON(!data.secondary->def.chan)) {
+ rcu_read_unlock();
+ return;
+ }
+
+ if (chan->def.width < NL80211_CHAN_WIDTH_40) {
+ ci_bw_idx = 0;
+ cmd.co_run_bw_secondary = 0;
+ } else {
+ cmd.co_run_bw_secondary = 1;
+ if (chan->def.center_freq1 >
+ chan->def.chan->center_freq)
+ ci_bw_idx = 2;
+ else
+ ci_bw_idx = 1;
+ }
+
+ cmd.bt_secondary_ci =
+ iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
+ cmd.secondary_ch_phy_id = *((u16 *)data.secondary->drv_priv);
+ }
+
+ rcu_read_unlock();
+
+ /* Don't spam the fw with the same command over and over */
+ if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) {
+ if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, CMD_SYNC,
+ sizeof(cmd), &cmd))
+ IWL_ERR(mvm, "Failed to send BT_CI cmd");
+ memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd));
+ }
+
+ /*
+ * If there are no BSS / P2P client interfaces, reduced Tx Power is
+ * irrelevant since it is based on the RSSI coming from the beacon.
+ * Use BT_KILL_MSK_DEFAULT in that case.
+ */
+ data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces;
+
+ if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power))
+ IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
+}
+
+/* upon association, the fw will send in BT Coex notification */
+int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb,
+ struct iwl_device_cmd *dev_cmd)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;
+
+
+ IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
+ IWL_DEBUG_COEX(mvm, "\tBT status: %s\n",
+ notif->bt_status ? "ON" : "OFF");
+ IWL_DEBUG_COEX(mvm, "\tBT open conn %d\n", notif->bt_open_conn);
+ IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
+ IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
+ le32_to_cpu(notif->primary_ch_lut));
+ IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
+ le32_to_cpu(notif->secondary_ch_lut));
+ IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
+ le32_to_cpu(notif->bt_activity_grading));
+ IWL_DEBUG_COEX(mvm, "\tBT agg traffic load %d\n",
+ notif->bt_agg_traffic_load);
+
+ /* remember this notification for future use: rssi fluctuations */
+ memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));
+
+ iwl_mvm_bt_coex_notif_handle(mvm);
+
+ /*
+ * This is an async handler for a notification, returning anything other
+ * than 0 doesn't make sense even if HCMD failed.
+ */
+ return 0;
+}
+
+static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
+ struct iwl_bt_iterator_data *data = _data;
+ struct iwl_mvm *mvm = data->mvm;
+
+ struct ieee80211_sta *sta;
+ struct iwl_mvm_sta *mvmsta;
+
+ struct ieee80211_chanctx_conf *chanctx_conf;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(vif->chanctx_conf);
+ /* If channel context is invalid or not on 2.4GHz - don't count it */
+ if (!chanctx_conf ||
+ chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) {
+ rcu_read_unlock();
+ return;
+ }
+ rcu_read_unlock();
+
+ if (vif->type != NL80211_IFTYPE_STATION ||
+ mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
+ return;
+
+ sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
+ lockdep_is_held(&mvm->mutex));
+
+ /* This can happen if the station has been removed right now */
+ if (IS_ERR_OR_NULL(sta))
+ return;
+
+ mvmsta = iwl_mvm_sta_from_mac80211(sta);
+
+ data->num_bss_ifaces++;
+
+ /*
+ * This interface doesn't support reduced Tx power (because of low
+ * RSSI probably), then set bt_kill_msk to default values.
+ */
+ if (!mvmsta->bt_reduced_txpower)
+ data->reduced_tx_power = false;
+ /* else - possibly leave it to BT_KILL_MSK_REDUCED_TXPOW */
+}
+
+void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ enum ieee80211_rssi_event rssi_event)
+{
+ struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv;
+ struct iwl_bt_iterator_data data = {
+ .mvm = mvm,
+ .reduced_tx_power = true,
+ };
+ int ret;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ /* Rssi update while not associated ?! */
+ if (WARN_ON_ONCE(mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT))
+ return;
+
+ /* No BT - reports should be disabled */
+ if (!mvm->last_bt_notif.bt_status)
+ return;
+
+ IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
+ rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");
+
+ /*
+ * Check if rssi is good enough for reduced Tx power, but not in loose
+ * scheme.
+ */
+ if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
+ iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
+ ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
+ false);
+ else
+ ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);
+
+ if (ret)
+ IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
+
+ ieee80211_iterate_active_interfaces_atomic(
+ mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
+ iwl_mvm_bt_rssi_iterator, &data);
+
+ /*
+ * If there are no BSS / P2P client interfaces, reduced Tx Power is
+ * irrelevant since it is based on the RSSI coming from the beacon.
+ * Use BT_KILL_MSK_DEFAULT in that case.
+ */
+ data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces;
+
+ if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power))
+ IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n");
+}
+
+#define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000)
+#define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200)
+
+u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
+ struct ieee80211_sta *sta)
+{
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
+ enum iwl_bt_coex_lut_type lut_type;
+
+ if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
+ BT_HIGH_TRAFFIC)
+ return LINK_QUAL_AGG_TIME_LIMIT_DEF;
+
+ lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
+
+ if (lut_type == BT_COEX_LOOSE_LUT)
+ return LINK_QUAL_AGG_TIME_LIMIT_DEF;
+
+ /* tight coex, high bt traffic, reduce AGG time limit */
+ return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
+}
+
+bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
+ struct ieee80211_sta *sta)
+{
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
+
+ if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
+ BT_HIGH_TRAFFIC)
+ return true;
+
+ /*
+ * In Tight, BT can't Rx while we Tx, so use both antennas since BT is
+ * already killed.
+ * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while we
+ * Tx.
+ */
+ return iwl_get_coex_type(mvm, mvmsta->vif) == BT_COEX_TIGHT_LUT;
+}
+
+void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm)
+{
+ if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWBT_COEX))
+ return;
+
+ iwl_mvm_bt_coex_notif_handle(mvm);
+}
+
+int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb,
+ struct iwl_device_cmd *dev_cmd)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ u32 ant_isolation = le32_to_cpup((void *)pkt->data);
+ u8 __maybe_unused lower_bound, upper_bound;
+ u8 lut;
+
+ struct iwl_bt_coex_cmd *bt_cmd;
+ struct iwl_host_cmd cmd = {
+ .id = BT_CONFIG,
+ .len = { sizeof(*bt_cmd), },
+ .dataflags = { IWL_HCMD_DFL_NOCOPY, },
+ .flags = CMD_SYNC,
+ };
+
+ if (!IWL_MVM_BT_COEX_CORUNNING)
+ return 0;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (ant_isolation == mvm->last_ant_isol)
+ return 0;
+
+ for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++)
+ if (ant_isolation < antenna_coupling_ranges[lut + 1].range)
+ break;
+
+ lower_bound = antenna_coupling_ranges[lut].range;
+
+ if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1)
+ upper_bound = antenna_coupling_ranges[lut + 1].range;
+ else
+ upper_bound = antenna_coupling_ranges[lut].range;
+
+ IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n",
+ ant_isolation, lower_bound, upper_bound, lut);
+
+ mvm->last_ant_isol = ant_isolation;
+
+ if (mvm->last_corun_lut == lut)
+ return 0;
+
+ mvm->last_corun_lut = lut;
+
+ bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
+ if (!bt_cmd)
+ return 0;
+ cmd.data[0] = bt_cmd;
+
+ bt_cmd->flags = cpu_to_le32(BT_COEX_NW);
+ bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
+ BT_VALID_CORUN_LUT_20 |
+ BT_VALID_CORUN_LUT_40);
+
+ /* For the moment, use the same LUT for 20GHz and 40GHz */
+ memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[lut].lut20,
+ sizeof(bt_cmd->bt4_corun_lut20));
+
+ memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20,
+ sizeof(bt_cmd->bt4_corun_lut40));
+
+ return 0;
+}